Redmine

Hi,

Since upgrading to 2.6.0, we get random errors while trying to display pages. Once it happens, every page yields an error 500 like this:

Completed 200 OK in 519.4ms (Views: 403.6ms | ActiveRecord: 86.4ms)
Started GET "/issues/40382" for 127.0.0.1 at 2014-12-18 10:13:37 +1100
Processing by IssuesController#show as HTML
Parameters: {"id"=>"40382"}
Current user: mdavis (id=382)
Completed 500 Internal Server Error in 378.0ms

NoMethodError (undefined method `acts_as_nested_set_options' on Class (Class)):
lib/plugins/awesome_nested_set/lib/awesome_nested_set/columns.rb:7:in `left_column_name'
lib/plugins/awesome_nested_set/lib/awesome_nested_set/model.rb:71:in `right_of'
lib/plugins/awesome_nested_set/lib/awesome_nested_set/model/relatable.rb:50:in `self_and_descendants'
lib/plugins/awesome_nested_set/lib/awesome_nested_set/model/relatable.rb:44:in `descendants'
app/models/query.rb:527:in `project_statement'
app/models/query.rb:553:in `statement'
app/models/issue_query.rb:361:in `issue_ids'
app/controllers/issues_controller.rb:360:in `retrieve_previous_and_next_issue_ids'
app/controllers/issues_controller.rb:127:in `show'
app/controllers/issues_controller.rb:125:in `show'

Restarting the application server fixes it.

Current configuration:
Gem list:

actionmailer (3.2.19, 3.2.17)
actionpack (3.2.19, 3.2.17)
activemodel (3.2.19, 3.2.17)
activerecord (3.2.19, 3.2.17)
activerecord-postgresql-adapter (0.0.1)
activeresource (3.2.19, 3.2.17)
activesupport (3.2.19, 3.2.17)
acts-as-taggable-on (2.3.3)
arel (3.0.3)
awesome_nested_set (2.1.6)
builder (3.0.4, 3.0.0)
bundler (1.6.2)
coderay (1.1.0)
erubis (2.7.0)
ffi2-generators (0.1.1)
hike (1.2.3)
i18n (0.6.11, 0.6.9)
journey (1.0.4)
jquery-rails (3.1.2, 2.0.3)
json (1.8.1)
mail (2.5.4)
memcache-client (1.8.5)
memcached (1.8.0)
mime-types (1.25.1)
minitest (4.7.5)
money (5.1.1)
multi_json (1.10.1, 1.9.0)
net-ldap (0.7.0, 0.3.1)
net-ldap-1 (0.4.0)
pg (0.17.1)
polyglot (0.3.5, 0.3.4)
puma (2.9.2, 2.9.1)
racc (1.4.11)
rack (1.5.2, 1.4.5)
rack-cache (1.2)
rack-openid (1.4.2)
rack-ssl (1.3.4, 1.3.3)
rack-test (0.6.2)
rails (3.2.19, 3.2.17)
railties (3.2.19, 3.2.17)
rake (10.3.2, 10.1.1)
rbpdf (1.18.2, 1.18.1)
rdoc (4.1.1, 3.12.2)
request_store (1.0.5)
rouge (1.7.2, 1.4.0, 1.3.4)
rubinius-ast (2.1.3)
rubinius-build_tools (2.0.0)
rubinius-compiler (2.1.1)
rubinius-coverage (2.0.3)
rubinius-debugger (2.0.3)
rubinius-developer_tools (2.0.0)
rubinius-melbourne (2.1.0.0)
rubinius-processor (2.1.2)
rubinius-profiler (2.0.1)
rubinius-toolset (2.2.0)
ruby-ole (1.2.11.7)
ruby-openid (2.3.0)
rubysl (2.0.15)
rubysl-abbrev (2.0.4)
rubysl-base64 (2.0.0)
rubysl-benchmark (2.0.1)
rubysl-bigdecimal (2.0.2)
rubysl-cgi (2.0.1)
rubysl-cgi-session (2.0.1)
rubysl-cmath (2.0.0)
rubysl-complex (2.0.0)
rubysl-continuation (2.0.0)
rubysl-coverage (2.0.3)
rubysl-csv (2.0.2)
rubysl-curses (2.0.1)
rubysl-date (2.0.6)
rubysl-delegate (2.0.1)
rubysl-digest (2.0.3)
rubysl-drb (2.0.1)
rubysl-e2mmap (2.0.0)
rubysl-english (2.0.0)
rubysl-enumerator (2.0.0)
rubysl-erb (2.0.1)
rubysl-etc (2.0.3)
rubysl-expect (2.0.0)
rubysl-fcntl (2.0.4)
rubysl-fiber (2.0.0)
rubysl-fileutils (2.0.3)
rubysl-find (2.0.1)
rubysl-forwardable (2.0.1)
rubysl-getoptlong (2.0.0)
rubysl-gserver (2.0.0)
rubysl-io-console (2.0.0)
rubysl-io-nonblock (2.0.0)
rubysl-io-wait (2.0.0)
rubysl-ipaddr (2.0.0)
rubysl-irb (2.0.4)
rubysl-logger (2.0.0)
rubysl-mathn (2.0.0)
rubysl-matrix (2.1.0)
rubysl-mkmf (2.0.1)
rubysl-monitor (2.0.0)
rubysl-mutex_m (2.0.0)
rubysl-net-ftp (2.0.1)
rubysl-net-http (2.0.4)
rubysl-net-imap (2.0.1)
rubysl-net-pop (2.0.1)
rubysl-net-protocol (2.0.1)
rubysl-net-smtp (2.0.1)
rubysl-net-telnet (2.0.0)
rubysl-nkf (2.0.1)
rubysl-observer (2.0.0)
rubysl-open-uri (2.0.0)
rubysl-open3 (2.0.0)
rubysl-openssl (2.1.0)
rubysl-optparse (2.0.1)
rubysl-ostruct (2.0.4)
rubysl-pathname (2.0.0)
rubysl-prettyprint (2.0.3)
rubysl-prime (2.0.1)
rubysl-profile (2.0.0)
rubysl-profiler (2.0.1)
rubysl-pstore (2.0.0)
rubysl-pty (2.0.2)
rubysl-rational (2.0.1)
rubysl-readline (2.0.2)
rubysl-resolv (2.1.0)
rubysl-rexml (2.0.2)
rubysl-rinda (2.0.1)
rubysl-rss (2.0.0)
rubysl-scanf (2.0.0)
rubysl-securerandom (2.0.0)
rubysl-set (2.0.1)
rubysl-shellwords (2.0.0)
rubysl-singleton (2.0.0)
rubysl-socket (2.0.1)
rubysl-stringio (2.0.0)
rubysl-strscan (2.0.0)
rubysl-sync (2.0.0)
rubysl-syslog (2.0.1)
rubysl-tempfile (2.0.1)
rubysl-test-unit (2.0.3)
rubysl-thread (2.0.2)
rubysl-thwait (2.0.0)
rubysl-time (2.0.3)
rubysl-timeout (2.0.0)
rubysl-tmpdir (2.0.1)
rubysl-tsort (2.0.1)
rubysl-un (2.0.0)
rubysl-uri (2.0.0)
rubysl-weakref (2.0.0)
rubysl-webrick (2.0.0)
rubysl-xmlrpc (2.0.0)
rubysl-yaml (2.0.4)
rubysl-zlib (2.0.1)
spreadsheet (0.6.9)
sprockets (2.2.3, 2.2.2)
thor (0.19.1, 0.18.1)
tilt (1.4.1)
treetop (1.4.15)
tzinfo (0.3.42, 0.3.41, 0.3.39)
vcard (0.2.12)

Ruby version:

ruby -v
rubinius 2.2.9 (2.1.0 8694b613 2014-06-10 JI) [x86_64-linux-gnu]

Admin panel info:

Environment:
  Redmine version                2.6.0.stable.12119
  Ruby version                   2.1.0-p0 (2014-06-10) [x86_64-linux-gnu]
  Rails version                  3.2.19
  Environment                    production
  Database adapter               PostgreSQL
SCM:
  Subversion                     1.6.17
  Cvs                            1.12.13
  Git                            1.7.10.4
  Filesystem                     
Redmine plugins:
  ixa_hacks                      0.0.1
  redmine_agile                  1.3.5
  redmine_app__space             1.0.3
  redmine_app_timesheets         1.3.28
  redmine_contacts               3.4.1
  redmine_contacts_helpdesk      2.2.13
  redmine_favorite_projects      1.0.1
  redmine_issue_checklist        2.0.5
  redmine_rouge                  0.0.1

I cannot reproduce the issue, just have to wait until the issue occurs and restart the web application server.